UMG 96 RM | Sofar EMS Documentation

GeräteEnergy meterJanitza

Janitza UMG 96 RM Energiezähler

Unterstützte Geräte

UMG 96 PQ L

Janitza UMG 96 PQ L Energiemessgerät

UMG 96 S2

Janitza UMG 96 S2 Energiezähler

For correct RS485 wiring: Follow the guidelines for RS485 wiring.
If the wiring shown in the table below is incorrect, please let us know.
There is no general consensus in the industry about the usage of A and B for the RS485 polarity, so it may be counterintuitive and opposite of what you might expect for some devices.

Device	Sofar EMS model OM1	Sofar EMS model IG8	RS485-USB converter	RS485-Ethernet converter
A	RS485 A	RS485_POS	RS485 A	TX+
B	RS485 B	RS485_NEG	RS485 B	TX-
N/A	RS GND	GND	Not available	G

UMG 96 RM | Sofar EMS Documentation